*{
   margin: 0px;
   padding: 0px;
}
body{
    background-image: url("https://gw.alipayobjects.com/zos/rmsportal/TVYTbAXWheQpRcWDaDMu.svg");
    background-size:100% 100%;
    height: 100%;
}
.all{
    width: 100%;
    height: 100%;
}
.login{
    position: absolute;
    width: 350px;
    height: 350px;
    top: 50%;
    left: 50%;
    margin: -175px 0 0 -225px;
    .boss{
        float:right;
    }
}
.title{
    width: 200px;
    height: 40px;
    display: flex;
    margin: 0 auto;
    line-height: 40px;
    padding-bottom: 100px;
    img{
        width: 60px;
        height: 30px;
        margin-top: 5px;
        vertical-align: middle;
    }
    h1{
        // width: 60px;
        height: 40px;
        vertical-align: middle;
        margin: 0;
        font-weight: bold;
        margin-left:25px
    }
}